101. Research - UTHSCSA Department Of Ophthalmology By documenting the incidence of retinitis pigmentosa within a family, The genetic mutation of retinitis pigmentosa only affects the proteins of the rod http://www.uthscsa.edu/eye/retinitis.asp

Ophthalmology Research Research - What is retinitis pigmentosa? Overview What is Retinitis Pigmentosa Incidence Methods of Diagnosis ... Electrical Stimulation of the Retina and Visual Cortex Overview [Top of page] What is retinitis pigmentosa? It is a hereditary retinal degeneration characterized by a slowly progressive loss of peripheral vision causing what is called tunnel vision and night blindness. In 50% of the cases there is a family history. It can be inherited by any of three inheritance patterns: X-linked Autosomal recessive Autosomal dominant For people living in industrialized countries there is so much artificial light available that frequently, early night vision problems go unnoticed . Along with poor night vision, there is also a loss of side vision . This loss of side-vision is called "Visual Field Constriction", and it can occur so gradually that it often reaches a severe state of constriction before it it first detected. When the visual fields are this narrow, it is necessary to move the head constantly from side to side to get around on a horse in the South Texas bush, but she had learned to do it. [Top of page] Incidence 50,000 to 100,000 patients in the US have the disease.

102. Retinitis Pigmentosa (RP) - @med1 Translate this page Was ist retinitis pigmentosa? Merkmale und Verlauf, Syndrome, Sonderformen und andere Netzhautdegenerationen, Grauer Star und RP, Vererbung, Literatur. http://www.med1.de/Laien/Krankheiten/Augen/Retinitis.Pigmentosa/

Diskussionsforum zu Augenerkrankungen Grauer Star und Retinitis pigmentosa Merkmale und Verlauf der Retinitis pigmentosa Syndrome, Sonderformen u.a. Netzhautdegenerationen Vererbung Vererbungsformen: dominant, rezessiv, geschlechtsgebunden Literatur RP Links zu weiteren Informationen, Hilfsmitteln und eMail-Listen Deutsche Retinitis Pigmentosa-Vereinigung e.V. (DRPV) Die DRPV Grauer Star und Retinitis pigmentosa Deutsche Retinitis Pigmentosa-Vereinigung Impressum

103. Retinitis Pigmentosa The British retinitis pigmentosa Society (BRPS) was founded in 1975 and is a A leaflet directed at patients that explains retinitis pigmentosa including http://omni.ac.uk/browse/mesh/D012174.html

low graphics Retinitis Pigmentosa British Retinitis Pigmentosa Society The British Retinitis Pigmentosa Society (BRPS) was founded in 1975 and is a registered charity set up for the benefit of those with retinitis pigmentosa (RP). The aim of the Society is to "help its members live with and overcome their visual problems and to bring relief by stimulating research into the causes and eventually the treatment of RP." The Web site provides information about the Society including contact addresses of local branches. There is information,aimed at a lay audience, about RP that covers the symptoms, how to live with it, and what to expect when visiting an ophthalmologist. The site also contains a section aimed at young people with RP, and a diary of events. The site can be viewed as graphics and text, black text on a white background or yellow text on a black background. Visually Impaired Persons Retinitis Pigmentosa Great Britain Charities ... Understanding retinitis pigmentosa A leaflet directed at patients that explains retinitis pigmentosa including the symptoms, causes, detection and treatment. Published on the Web by the Royal College of Ophthalmologists, this 4 page document is in PDF, which requires Adobe Acrobat Reader. Retinitis Pigmentosa Patient Education Handout [Publication Type] Last modified: 09 Sep 2005

104. CCHS Clinical Digital Library Chapter 108 retinitis pigmentosa and Related Disorders Access document Additional retinitis pigmentosa resources (These sites have not been reviewed. http://cchs-dl.slis.ua.edu/clinical/ophthalmology/retinal/retinitis-pigmentosa.h

Clinical Resources by Topic: Ophthalmology Retinitis Pigmentosa Clinical Resources Pediatrics Pathology News Miscellaneous Resources See also: Eye Evaluation Clinical Resources General Ophthalmology Clinical Resources Retinitis Pigmentosa Patient/Family Resources Yanoff: Ophthalmology 2nd Ed.-2004 (MD Consult): Table of contents Health Sciences Library subscription INFO Part 8 - Retina and Vitreous: Access document Section 1 - Basic Science: Access document Chapter 99 - Structure and Function of the Neural Retina: Access document Chapter 100 - Retinal Pigment Epithelium: Access document Chapter 101 - Retinal and Choroidal Circulation: Access document Section 4 - Dystrophies: Access document Chapter 108 - Retinitis Pigmentosa and Related Disorders: Access document Ferri: Ferri's Clinical Advisor: Instant Diagnosis and Treatment - 2005 (MD Consult): Table of contents Health Sciences Library subscription INFO Section I: Diseases and Disorders Retinitis Pigmentosa: Access document Goldman: Cecil Textbook of Medicine 22nd Ed.-2004 (MD Consult): Table of contents Health Sciences Library subscription INFO Part XXVI - Eye, Ear, Nose, and Throat Diseases:

105. Retinitis Pigmentosa:AOA retinitis pigmentosa (RP) is a group of inherited diseases that damage the Fortunately, most cases of retinitis pigmentosa take a long time to develop http://www.aoa.org/x1796.xml

setrollover('images/btn-about-on.gif', 'about'); setrollover('images/btn-conditions-on.gif', 'conditions'); setrollover('images/btn-clincare-on.gif', 'clincare'); setrollover('images/btn-advocacy-on.gif', 'advocacy'); setrollover('images/btn-membership-on.gif', 'membership'); setrollover('images/btn-charities-on.gif', 'charities'); setrollover('images/btn-commcenter-on.gif', 'commcenter'); setrollover('images/btn-students-on.gif', 'students'); Retinitis Pigmentosa Eye Diseases Retinitis pigmentosa (RP) is a group of inherited diseases that damage the light-sensitive rods and cones located in the retina, the back part of our eyes. Rods, which provide side (peripheral) and night vision are affected more than the cones which provide color and clear central vision. Fortunately, most cases of retinitis pigmentosa take a long time to develop and vision loss is gradual. It may take many years for loss of vision to be severe. Currently, there is no cure for RP, but there is research that indicates that vitamin A and lutein may slow the rate at which the disease progresses. Your doctor of optometry can give you more specific information on nutritional supplements that may help you. Also, there are many new low vision aids, including telescopic and magnifying lenses, night vision scopes as well as other adaptive devices, that are available that help people maximize the vision that they have remaining. An optometrist, experienced in low vision rehabilitation, can provide these devices as well as advice about other training and assistance to help people remain independent and productive.

106. Retinitis Pigmentosa retinitis pigmentosa (RP) is a group of inherited eye diseases that often leads to There is no effective treatment or cure for retinitis pigmentosa. http://healthgate.partners.org/browsing/browseContent.asp?fileName=22487.xml&tit

107. Clinical Trial: DHA And X-Linked Retinitis Pigmentosa retinitis pigmentosa (RP) is characterized by progressive loss of visual function due to specific genetic mutations. This trial is focused on patients with http://www.clinicaltrials.gov/ct/gui/show/NCT00100230

Home Search Browse Resources ... About DHA and X-Linked Retinitis Pigmentosa This study is currently recruiting patients. Verified by FDA Office of Orphan Products Development December 2004 Sponsors and Collaborators: FDA Office of Orphan Products Development Foundation Fighting Blindness Martek Biosciences Information provided by: FDA Office of Orphan Products Development ClinicalTrials.gov Identifier: Purpose Purpose: Retinitis pigmentosa (RP) is characterized by progressive loss of visual function due to specific genetic mutations. This trial is focused on patients with one of the most severe forms of the disease, X-linked inherited RP (XLRP). This disease is characterized by early onset (typically loss of night vision as a child) followed by loss of peripheral vision as a teenager and young adult. There is no male-to-male transmission of the disease in the family. There is no cure for RP and treatment options are limited. Two clinical trials have not found a benefit from nutritional supplementation with the long-chain polyunsaturated fatty acid, docosahexaenoic acid (DHA), at low daily doses although there is evidence that it slows disease progression in certain instances. In this clinical trial, we propose that a high dose nutritional DHA supplement will slow the loss of visual function and preserve usable vision in patients with XLRP. This study is a 4-year placebo-controlled randomized clinical trial meaning that patients have a 50-50 chance of receiving placebo or experimental treatment. A total of 60 patients will be enrolled; 30 will receive placebo and 30 will receive the treatment. Entry criteria include diagnosis of XLRP by an ophthalmologist, age 8 to 32 years, male, sufficient visual function such that disease progression can be followed for the entire duration of the trial, and a willingness to visit the testing site (Dallas, TX) once a year.

108. Retinitis Pigmentosa - Definition Of Retinitis Pigmentosa By The Free Online Dic Definition of retinitis pigmentosa in the Online Dictionary. Meaning of retinitis pigmentosa. What does retinitis pigmentosa mean? retinitis pigmentosa http://www.thefreedictionary.com/retinitis pigmentosa

Domain='thefreedictionary.com' word='retinitis pigmentosa' Your help is needed: American Red Cross The Salvation Army join mailing list webmaster tools Word (phrase): Word Starts with Ends with Definition subscription: Dictionary/ thesaurus Computing dictionary Medical dictionary Legal dictionary Financial dictionary Acronyms Columbia encyclopedia Wikipedia encyclopedia Hutchinson encyclopedia retinitis pigmentosa Also found in: Medical Acronyms Wikipedia 0.01 sec. Page tools Printer friendly Cite / link Email Feedback retinitis pig·men·to·sa (p g m n-t s , -m n-) n. A hereditary degenerative disease of the retina, characterized by night blindness, pigmentary changes within the retina, and eventual loss of vision. [New Latin pigment sa , feminine of pigment sus pigmented Mentioned in References in classic literature No references found No references found Dictionary/thesaurus browser Full browser Retinasphalt retinene Retinerved Retineum ... retinitis retinitis pigmentosa retino- retinoblastoma retinoic acid retinoid ... retinitis retinitis pigmentosa retinitis proliferans retinitis sclopetaria retino- retino- ... Retinoids Word (phrase): Word Starts with Ends with Definition Free Tools: For surfers: Browser extension Word of the Day NEW!

109. Retinitis Pigmentosa CHC Wausau Hospital s Medical Library and Patient Education Center provides research services and healthcare information to physicians, http://www.chclibrary.org/micromed/00063660.html

Main Search Index Definition Description Causes ... Resources Retinitis pigmentosa Definition Retinitis pigmentosa (RP) refers to a group of inherited disorders that slowly leads to the degeneration of part of the retina, primarily the photoreceptors, and over time leads to blindness. Description The retina lines the interior surface of the back of the eye. The retina is made up of several layers. One layer contains two types of photoreceptor cells referred to as the rods and cones. The cones are responsible for sharp, central vision and color vision and are primarily located in a small area of the retina called the fovea. The area surrounding the fovea contains the rods, which are necessary for peripheral vision and night vision (scotopic vision). The number of rods increases in the periphery. The rod and cone photoreceptors convert light into electrical impulses and send the message to the brain via the optic nerve. Another layer of the retina, called the retinal pigmented epithelium (RPE), may also be affected. In RP, the photoreceptors (primarily the rods) begin to deteriorate and lose their ability to function. Because the rods are primarily affected, it becomes harder to see in dim light, thus producing a loss of night vision. As the condition progresses, peripheral vision disappears, resulting in tunnel vision. The ability to see color is eventually lost. In the late stages of the disease, there is only a small area of central vision remaining. Eventually, this too is lost.

110. AllRefer Health - Retinitis Pigmentosa (RP) retinitis pigmentosa (RP) information center covers causes, prevention, symptoms, diagnosis, treatment, incidence, risk factors, signs, tests, http://health.allrefer.com/health/retinitis-pigmentosa-info.html

AllRefer Channels :: Yellow Pages Reference Health Home ... Contact Us Quick Jump ADD/ADHD Allergies Alzheimer's Disease Arthritis Asthma Back Pain Breast Cancer Cancer Colon Cancer Depression Diabetes Gallbladder Disease Heart Attack Hepatitis High Cholesterol HIV/AIDS Hypertension Lung Cancer Menopause Migraines/Headaches Osteoporosis Pneumonia Prostate Cancer SARS Stroke Urinary Tract Infection 1600+ More Conditions Alternative Medicine Health News Symptoms Guide Special Topics ... Medical Encyclopedia Web health.allrefer.com You are here : AllRefer.com Health Retinitis Pigmentosa Retinitis Pigmentosa Definition Prevention Treatment Expectations or Prognosis ... Go To Main Page Alternate Names : RP Definition Retinitis pigmentosa is a progressive degeneration of the retina (part of the eye) which affects night vision and peripheral vision. Eye Slit-Lamp Exam Retinitis pigmentosa commonly runs in families. The disorder can be caused by defects in a number of different genes which have recently been identified. The cells controlling night vision, called rods, are most likely to be affected. However, in some cases, retinal cone cells are most damaged. The hallmark of the disease is the presence of dark pigmented spots in the retina As the disease progresses

111. Retina Suisse Translate this page Die Selbsthilfeorganisation von Menschen mit retinitis pigmentosa (RP), Makuladegeneration, Usher-Syndrom und anderen degenerativen Netzhauterkrankungen http://www.retina.ch/

@import url("default.css"); Direkt zum Inhalt Retina Suisse Die Selbsthilfeorganisation von Menschen mit Retinitis pigmentosa (RP), Makuladegeneration, Usher-Syndrom und anderen degenerativen Netzhauterkrankungen Deutsch Italiano Hauptnavigation Aktuelles Netzhautdegeneration Unser Angebot Mitgliedschaft Zweitnavigation Aktuelles Veranstaltungen Selbsthilfegruppen Neuigkeiten Altersbedingte Makuladegeneration am Radio DRS Mittwoch, 13. Juli 2005, 09.40 Uhr DRS 1 Memosendung über optische Hilfsmittel und AMD Donnerstag, 14. Juli 2005, 20.00 Uhr DRS 1 Doppelpunkt: Überall, dort wo ich hinsehen will, kann ich nichts erkennen Wiederholung: Freitag, 15. Juli 2005, 15.00 Uhr auf DRS 2 Der Radio-Kiosk publiziert und verkauft eine CD dieser Sendung. Neue AMD Selbsthilfegruppen-Termine In den AMD-Selbsthilfegruppen St. Gallen, Winterthur und Zürich haben sich die Termine der Treffen geändert. Jahresbeitrag 2005 Ihre Retina Suisse Hauptnavigation Aktuelles Netzhautdegeneration Unser Angebot Mitgliedschaft

112. UniProt Knowledgebase Keyword: Retinitis Pigmentosa Protein which, if defective, causes retinitis pigmentosa, a hereditary RPGR_CANFA, Q9N1T2, RPGR, Xlinked retinitis pigmentosa GTPase regulator http://www.expasy.org/cgi-bin/get-entries?KW=Retinitis pigmentosa

113. FIRSTConsult - Sdfdsf FIRSTConsult, retinitis pigmentosa (Medical Condition File). Published for medical students and primary healthcare providers by Elsevier. http://www.firstconsult.com/?action=view_article&id=1014180&type=101&bref=1

114. A Feared Eye Disease Starts Yielding To Researchers (one out of every 4000) it is the first symptom of retinitis pigmentosa (RP), a genetic disorder that may leave them totally blind by the age of 40. http://www.hhmi.org/senses/b310.html

A Feared Eye Disease Starts Yielding to Researchers Inability to see well in the dark may be an ominous sign in a child. Though it could just signal a need to eat more carrots or take vitamin A supplements, for more than a million people around the world (one out of every 4,000) it is the first symptom of retinitis pigmentosa (RP) , a genetic disorder that may leave them totally blind by the age of 40. "Sometime between their teens and their thirties, depending on the family, their retinas begin to degenerate," says Jeremy Nathans, an HHMI investigator at the Johns Hopkins University School of Medicine who has been studying the genetic errors that cause the disease. First, the rod cells die at the retina's periphery. Then these zones of cell death slowly expand, leaving only a small patch of functioning retinal cells near the center of vision. The patients' visible world contracts to a narrow tunnel of light. Finally, the dying tissue may take everything with it, including the precious cones in the central retina, which are responsible for high-acuity vision. "The retina doesn't regenerate," explains Nathans. "If any part of it goes, you won't get it back. And so far, there is no effective therapy for RP."

115. Breakthrough For Retinitis Pigmentosa Breakthrough for retinitis pigmentosa Isolating the genes. The gene was found on chromosome 17 retinitis pigmentosa, a degenerative disease of the retina, http://www.scienceinafrica.co.za/2001/july/pigment.htm

Feature Home Events Jobs Funding ... Archives Breakthrough for Retinitis Pigmentosa: Isolating the genes Retinitis pigmentosa, a degenerative disease of the retina, is the leading heritable cause of blindness today. The condition is caused by mutations in genes responsible for a number of different retinal components. These genes and disease-causing mutations can be inherited. Modern genetic technologies allow for the location of these genes and mutations. Once found their effects can be studied, and the foundation laid down for the potential development of gene-based therapies. A research team at the University of Cape Town, headed by Human Genetics professors Raj Ramesar, who also directs the Medical Research Council's Human Genetics Reseach Unit, and Jacquie Greenberg, working with Dr Chris Inglehearn in Leeds in the UK, have found the genetic defect which causes a form of retinitis pigmentosa. This form of the condition was prevalent in a very large family in South Africa, and with the co-operation of key members of the kindred, the UCT and UK researchers were able to track down the mutation responsible for their condition. The gene responsible was found on chromosome 17. Many research teams around the world have made similar discoveries, but what sets this one apart is that the mutation is to a gene which has a universal function throughout the human body. Most other mutations discovered have been to genes which have a specific function within the retina alone.

116. Retinitis Pigmentosa - YourDictionary.com - American Heritage Dictionary Search Mamma.com for retinitis pigmentosa . TYPE IN YOUR WORD CLICK GO! Search. Normal, Definitions, Short defs. (Pronunciation Key) http://www.yourdictionary.com/ahd/r/r0193650.html

Search Mamma.com for "retinitis pigmentosa" Search: Normal Definitions Short defs (Pronunciation Key) retinitis pig·men·to·sa Listen: p g m n-t s , -m n- n. A hereditary degenerative disease of the retina, characterized by night blindness, pigmentary changes within the retina, and eventual loss of vision. [New Latin pigment sa , feminine of pigment sus pigmented Back to Search Back The American Heritage Dictionary of the English Language, Fourth Edition

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